cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A322264 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = denominator of Sum_{d|n} 1/d^k.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 4
9 3
10 1
11 1
12 8
13 9
14 4
15 1
16 1
17 16
18 27
19 16
20 5
21 1
22 1
23 32
24 81
25 64
26 25
27 1
28 1
29 1
30 64
31 243
32 256
33 125
34 18
35 7
36 1
37 1
38 128
39 729
40 1024
41 625
42 6
43 49
44 8
45 1
46 1
47 256
48 2187
49 4096
50 3125
51 648
52 343
53 64
54 9
55 1
56 1
57 512
58 6561
59 16384
60 15625
61 648
62 2401
63 512
64 81
65 5
66 1
67 1
68 1024
69 19683
70 65536
71 78125
72 23328
73 16807
74 4096
75 729
76 10
77 11
78 1

List of values

[1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 8, 9, 4, 1, 1, 16, 27, 16, 5, 1, 1, 32, 81, 64, 25, 1, 1, 1, 64, 243, 256, 125, 18, 7, 1, 1, 128, 729, 1024, 625, 6, 49, 8, 1, 1, 256, 2187, 4096, 3125, 648, 343, 64, 9, 1, 1, 512, 6561, 16384, 15625, 648, 2401, 512, 81, 5, 1, 1, 1024, 19683, 65536, 78125, 23328, 16807, 4096, 729, 10, 11, 1]